2020. Evaluation of Serum B12, Folic Acid, Iron, Ferritin, Total Iron Binding Capacity and Unsaturated Iron Binding Capacity in Patients with Recurrent Aphthous Stomatitis in Sulaimani City. Indian Journal of Public Health Research & Development. 11, 5 (May 2020), 838–843. DOI:https://doi.org/10.37506/ijphrd.v11i5.9445.